61402698 has 48 divisors (see below), whose sum is σ = 157684800. Its totient is φ = 17542656.

The previous prime is 61402687. The next prime is 61402739. The reversal of 61402698 is 89620416.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5623 + ... + 12426.

It is an arithmetic number, because the mean of its divisors is an integer number (3285100).

Almost surely, 2^61402698 is an apocalyptic number.

61402698 is an abundant number, since it is smaller than the sum of its proper divisors (96282102).

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

61402698 is a wasteful number, since it uses less digits than its factorization.

61402698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18073 (or 18061 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 61402698 is about 7835.9873659929. The cubic root of 61402698 is about 394.5140592656.

The spelling of 61402698 in words is "sixty-one million, four hundred two thousand, six hundred ninety-eight".