61430392 has 16 divisors (see below), whose sum is σ = 117356040. Its totient is φ = 30135456.

The previous prime is 61430353. The next prime is 61430417. The reversal of 61430392 is 29303416.

It is a super-2 number, since 2×61430392² = 7547386122547328, 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 61430392.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72018 + ... + 72865.

Almost surely, 2^61430392 is an apocalyptic number.

It is an amenable number.

61430392 is a deficient number, since it is larger than the sum of its proper divisors (55925648).

61430392 is a wasteful number, since it uses less digits than its factorization.

61430392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144942 (or 144938 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 61430392 is about 7837.7542701976. The cubic root of 61430392 is about 394.5733619268.

The spelling of 61430392 in words is "sixty-one million, four hundred thirty thousand, three hundred ninety-two".