40757007 has 16 divisors (see below), whose sum is σ = 57743712. Its totient is φ = 25482240.

The previous prime is 40756987. The next prime is 40757011. The reversal of 40757007 is 70075704.

It is a happy number.

It is not a de Polignac number, because 40757007 - 2⁷ = 40756879 is a prime.

It is a super-2 number, since 2×40757007² = 3322267239196098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40757107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14907 + ... + 17427.

It is an arithmetic number, because the mean of its divisors is an integer number (3608982).

Almost surely, 2^40757007 is an apocalyptic number.

40757007 is a deficient number, since it is larger than the sum of its proper divisors (16986705).

40757007 is a wasteful number, since it uses less digits than its factorization.

40757007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858.

The product of its (nonzero) digits is 6860, while the sum is 30.

The square root of 40757007 is about 6384.1214744082. The cubic root of 40757007 is about 344.1391602781.

The spelling of 40757007 in words is "forty million, seven hundred fifty-seven thousand, seven".