61694394 has 32 divisors (see below), whose sum is σ = 130999680. Its totient is φ = 19302912.

The previous prime is 61694383. The next prime is 61694401. The reversal of 61694394 is 49349616.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57507 + ... + 58569.

It is an arithmetic number, because the mean of its divisors is an integer number (4093740).

Almost surely, 2^61694394 is an apocalyptic number.

61694394 is an abundant number, since it is smaller than the sum of its proper divisors (69305286).

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

61694394 is a wasteful number, since it uses less digits than its factorization.

61694394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654.

The product of its digits is 139968, while the sum is 42.

The square root of 61694394 is about 7854.5779008168. The cubic root of 61694394 is about 395.1377909492.

The spelling of 61694394 in words is "sixty-one million, six hundred ninety-four thousand, three hundred ninety-four".