40792731 has 16 divisors (see below), whose sum is σ = 64863744. Its totient is φ = 22296384.

The previous prime is 40792729. The next prime is 40792733. The reversal of 40792731 is 13729704.

It is an interprime number because it is at equal distance from previous prime (40792729) and next prime (40792733).

It is not a de Polignac number, because 40792731 - 2¹ = 40792729 is a prime.

It is a super-2 number, since 2×40792731² = 3328093804876722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40792692 and 40792701.

It is not an unprimeable number, because it can be changed into a prime (40792733) 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, 41746 + ... + 42711.

It is an arithmetic number, because the mean of its divisors is an integer number (4053984).

Almost surely, 2^40792731 is an apocalyptic number.

40792731 is a deficient number, since it is larger than the sum of its proper divisors (24071013).

40792731 is a wasteful number, since it uses less digits than its factorization.

40792731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84490.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 40792731 is about 6386.9187406761. The cubic root of 40792731 is about 344.2396782672.

The spelling of 40792731 in words is "forty million, seven hundred ninety-two thousand, seven hundred thirty-one".