61797430 has 16 divisors (see below), whose sum is σ = 111560400. Its totient is φ = 24646752.

The previous prime is 61797419. The next prime is 61797451. The reversal of 61797430 is 3479716.

It is a self number, because there is not a number n which added to its sum of digits gives 61797430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5364 + ... + 12343.

It is an arithmetic number, because the mean of its divisors is an integer number (6972525).

Almost surely, 2^61797430 is an apocalyptic number.

61797430 is a deficient number, since it is larger than the sum of its proper divisors (49762970).

61797430 is a wasteful number, since it uses less digits than its factorization.

61797430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18063.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 61797430 is about 7861.1341420943. The cubic root of 61797430 is about 395.3576422226.

The spelling of 61797430 in words is "sixty-one million, seven hundred ninety-seven thousand, four hundred thirty".