40742475 has 12 divisors (see below), whose sum is σ = 67361016. Its totient is φ = 21729280.

The previous prime is 40742473. The next prime is 40742483. The reversal of 40742475 is 57424704.

It is not a de Polignac number, because 40742475 - 2¹ = 40742473 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (40742473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271542 + ... + 271691.

It is an arithmetic number, because the mean of its divisors is an integer number (5613418).

Almost surely, 2^40742475 is an apocalyptic number.

40742475 is a deficient number, since it is larger than the sum of its proper divisors (26618541).

40742475 is a wasteful number, since it uses less digits than its factorization.

40742475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543246 (or 543241 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 40742475 is about 6382.9832367005. The cubic root of 40742475 is about 344.0982542259.

The spelling of 40742475 in words is "forty million, seven hundred forty-two thousand, four hundred seventy-five".