61407464 has 16 divisors (see below), whose sum is σ = 115305120. Its totient is φ = 30659440.

The previous prime is 61407433. The next prime is 61407469. The reversal of 61407464 is 46470416.

It is a super-2 number, since 2×61407464² = 7541753269822592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61407464.

It is not an unprimeable number, because it can be changed into a prime (61407469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 779 + ... + 11109.

It is an arithmetic number, because the mean of its divisors is an integer number (7206570).

Almost surely, 2^61407464 is an apocalyptic number.

It is an amenable number.

61407464 is a deficient number, since it is larger than the sum of its proper divisors (53897656).

61407464 is a wasteful number, since it uses less digits than its factorization.

61407464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11080 (or 11076 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 61407464 is about 7836.2914698217. The cubic root of 61407464 is about 394.5242662295.

The spelling of 61407464 in words is "sixty-one million, four hundred seven thousand, four hundred sixty-four".