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74625061 = 725142473
BaseRepresentation
bin1000111001010…
…11000000100101
312012102100100011
410130223000211
5123101000221
611223250221
71564205530
oct434530045
9165370304
1074625061
113913aa05
1220ba9971
13125caa54
149ca7a17
1568411e1
hex472b025

74625061 has 8 divisors (see below), whose sum is σ = 85627584. Its totient is φ = 63708000.

The previous prime is 74625017. The next prime is 74625071. The reversal of 74625061 is 16052647.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 74625061 - 27 = 74624933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74625071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19480 + ... + 22993.

It is an arithmetic number, because the mean of its divisors is an integer number (10703448).

Almost surely, 274625061 is an apocalyptic number.

It is an amenable number.

74625061 is a deficient number, since it is larger than the sum of its proper divisors (11002523).

74625061 is a wasteful number, since it uses less digits than its factorization.

74625061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42731.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 74625061 is about 8638.5798022592. The cubic root of 74625061 is about 421.0124121120.

The spelling of 74625061 in words is "seventy-four million, six hundred twenty-five thousand, sixty-one".

Divisors: 1 7 251 1757 42473 297311 10660723 74625061