61294788 has 36 divisors (see below), whose sum is σ = 155252188. Its totient is φ = 20390400.

The previous prime is 61294787. The next prime is 61294799. The reversal of 61294788 is 88749216.

It can be written as a sum of positive squares in 2 ways, for example, as 38713284 + 22581504 = 6222^2 + 4752^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (61294787) 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, 20220 + ... + 23052.

Almost surely, 2^61294788 is an apocalyptic number.

It is an amenable number.

61294788 is an abundant number, since it is smaller than the sum of its proper divisors (93957400).

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

61294788 is a wasteful number, since it uses less digits than its factorization.

61294788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444 (or 3439 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 61294788 is about 7829.0987987124. The cubic root of 61294788 is about 394.2828154886.

It can be divided in two parts, 61 and 294788, that added together give a square (294849 = 543²).

The spelling of 61294788 in words is "sixty-one million, two hundred ninety-four thousand, seven hundred eighty-eight".