40346972 has 12 divisors (see below), whose sum is σ = 70653240. Its totient is φ = 20160336.

The previous prime is 40346953. The next prime is 40346987. The reversal of 40346972 is 27964304.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7679 + ... + 11817.

It is an arithmetic number, because the mean of its divisors is an integer number (5887770).

Almost surely, 2^40346972 is an apocalyptic number.

It is an amenable number.

40346972 is a deficient number, since it is larger than the sum of its proper divisors (30306268).

40346972 is a wasteful number, since it uses less digits than its factorization.

40346972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6580 (or 6578 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 40346972 is about 6351.9266368559. The cubic root of 40346972 is about 342.9812001131.

The spelling of 40346972 in words is "forty million, three hundred forty-six thousand, nine hundred seventy-two".