61402364 has 12 divisors (see below), whose sum is σ = 112126224. Its totient is φ = 29366304.

The previous prime is 61402361. The next prime is 61402373. The reversal of 61402364 is 46320416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61402361) 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, 333617 + ... + 333800.

It is an arithmetic number, because the mean of its divisors is an integer number (9343852).

Almost surely, 2^61402364 is an apocalyptic number.

It is an amenable number.

61402364 is a deficient number, since it is larger than the sum of its proper divisors (50723860).

61402364 is a wasteful number, since it uses less digits than its factorization.

61402364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667444 (or 667442 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 61402364 is about 7835.9660540357. The cubic root of 61402364 is about 394.5133439445.

The spelling of 61402364 in words is "sixty-one million, four hundred two thousand, three hundred sixty-four".