40634746 has 4 divisors (see below), whose sum is σ = 60952122. Its totient is φ = 20317372.

The previous prime is 40634719. The next prime is 40634753. The reversal of 40634746 is 64743604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39753025 + 881721 = 6305^2 + 939^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10158685 + ... + 10158688.

Almost surely, 2^40634746 is an apocalyptic number.

40634746 is a deficient number, since it is larger than the sum of its proper divisors (20317376).

40634746 is a wasteful number, since it uses less digits than its factorization.

40634746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20317375.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 40634746 is about 6374.5388852842. The cubic root of 40634746 is about 343.7947046652.

The spelling of 40634746 in words is "forty million, six hundred thirty-four thousand, seven hundred forty-six".