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74031007 = 312388097
BaseRepresentation
bin1000110100110…
…01111110011111
312011022011110011
410122121332133
5122422443012
611202424051
71556152561
oct432317637
9164264404
1074031007
1138874656
1220962027
131245053b
149b91331
1567751a7
hex4699f9f

74031007 has 4 divisors (see below), whose sum is σ = 76419136. Its totient is φ = 71642880.

The previous prime is 74030989. The next prime is 74031019. The reversal of 74031007 is 70013047.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74031007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74031707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1194018 + ... + 1194079.

It is an arithmetic number, because the mean of its divisors is an integer number (19104784).

Almost surely, 274031007 is an apocalyptic number.

74031007 is a deficient number, since it is larger than the sum of its proper divisors (2388129).

74031007 is a wasteful number, since it uses less digits than its factorization.

74031007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2388128.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 74031007 is about 8604.1273235582. The cubic root of 74031007 is about 419.8922758496.

The spelling of 74031007 in words is "seventy-four million, thirty-one thousand, seven".

Divisors: 1 31 2388097 74031007