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74053973 = 710579139
BaseRepresentation
bin1000110100111…
…11100101010101
312011100022221202
410122133211111
5122424211343
611203122245
71556306540
oct432374525
9164308852
1074053973
113888a934
1220973385
131245ab26
149b99857
15677bdb8
hex469f955

74053973 has 4 divisors (see below), whose sum is σ = 84633120. Its totient is φ = 63474828.

The previous prime is 74053957. The next prime is 74053981. The reversal of 74053973 is 37935047.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37935047 = 42190107.

It is a cyclic number.

It is not a de Polignac number, because 74053973 - 24 = 74053957 is a prime.

It is a super-3 number, since 3×740539733 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74053933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5289563 + ... + 5289576.

It is an arithmetic number, because the mean of its divisors is an integer number (21158280).

Almost surely, 274053973 is an apocalyptic number.

It is an amenable number.

74053973 is a deficient number, since it is larger than the sum of its proper divisors (10579147).

74053973 is a wasteful number, since it uses less digits than its factorization.

74053973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10579146.

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 74053973 is about 8605.4618121284. The cubic root of 74053973 is about 419.9356912120.

The spelling of 74053973 in words is "seventy-four million, fifty-three thousand, nine hundred seventy-three".

Divisors: 1 7 10579139 74053973