40974537 has 8 divisors (see below), whose sum is σ = 54774720. Its totient is φ = 27245360.

The previous prime is 40974511. The next prime is 40974541. The reversal of 40974537 is 73547904.

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 40974537 - 2²⁰ = 39925961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40974495 and 40974504.

It is not an unprimeable number, because it can be changed into a prime (40972537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16389 + ... + 18722.

It is an arithmetic number, because the mean of its divisors is an integer number (6846840).

Almost surely, 2^40974537 is an apocalyptic number.

It is an amenable number.

40974537 is a deficient number, since it is larger than the sum of its proper divisors (13800183).

40974537 is a wasteful number, since it uses less digits than its factorization.

40974537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35503.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 40974537 is about 6401.1356023756. The cubic root of 40974537 is about 344.7503255519.

The spelling of 40974537 in words is "forty million, nine hundred seventy-four thousand, five hundred thirty-seven".