61402926 has 16 divisors (see below), whose sum is σ = 132252624. Its totient is φ = 18893184.

The previous prime is 61402921. The next prime is 61402931. The reversal of 61402926 is 62920416.

It is an interprime number because it is at equal distance from previous prime (61402921) and next prime (61402931).

It is a super-2 number, since 2×61402926² = 7540638642722952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61402893 and 61402902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61402921) 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, 393531 + ... + 393686.

It is an arithmetic number, because the mean of its divisors is an integer number (8265789).

Almost surely, 2^61402926 is an apocalyptic number.

61402926 is an abundant number, since it is smaller than the sum of its proper divisors (70849698).

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

61402926 is a wasteful number, since it uses less digits than its factorization.

61402926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787235.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 61402926 is about 7836.0019142417. The cubic root of 61402926 is about 394.5145475671.

Subtracting from 61402926 its sum of digits (30), we obtain a square (61402896 = 7836²).

The spelling of 61402926 in words is "sixty-one million, four hundred two thousand, nine hundred twenty-six".