29640464 has 40 divisors (see below), whose sum is σ = 67757568. Its totient is φ = 12291840.

The previous prime is 29640463. The next prime is 29640467. The reversal of 29640464 is 46404692.

It is a super-2 number, since 2×29640464² = 1757114212270592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29640461) 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, 797 + ... + 7740.

Almost surely, 2^29640464 is an apocalyptic number.

It is an amenable number.

29640464 is an abundant number, since it is smaller than the sum of its proper divisors (38117104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29640464 is a wasteful number, since it uses less digits than its factorization.

29640464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8583 (or 8577 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 29640464 is about 5444.3056490245. The cubic root of 29640464 is about 309.4769674974.

The spelling of 29640464 in words is "twenty-nine million, six hundred forty thousand, four hundred sixty-four".