61210494 has 24 divisors (see below), whose sum is σ = 134872920. Its totient is φ = 20057328.

The previous prime is 61210493. The next prime is 61210507. The reversal of 61210494 is 49401216.

61210494 is a `hidden beast` number, since 612 + 1 + 0 + 49 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61210493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27757 + ... + 29880.

It is an arithmetic number, because the mean of its divisors is an integer number (5619705).

Almost surely, 2^61210494 is an apocalyptic number.

61210494 is an abundant number, since it is smaller than the sum of its proper divisors (73662426).

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

61210494 is a wasteful number, since it uses less digits than its factorization.

61210494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57704 (or 57701 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 61210494 is about 7823.7135683766. The cubic root of 61210494 is about 394.1019903110.

The spelling of 61210494 in words is "sixty-one million, two hundred ten thousand, four hundred ninety-four".