40647034 has 8 divisors (see below), whose sum is σ = 64557108. Its totient is φ = 19128000.

The previous prime is 40646987. The next prime is 40647059. The reversal of 40647034 is 43074604.

It can be written as a sum of positive squares in 2 ways, for example, as 35820225 + 4826809 = 5985^2 + 2197^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 40646993 and 40647011.

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, 597717 + ... + 597784.

Almost surely, 2^40647034 is an apocalyptic number.

40647034 is a deficient number, since it is larger than the sum of its proper divisors (23910074).

40647034 is a wasteful number, since it uses less digits than its factorization.

40647034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195520.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 40647034 is about 6375.5026468507. The cubic root of 40647034 is about 343.8293558278.

The spelling of 40647034 in words is "forty million, six hundred forty-seven thousand, thirty-four".