61379288 has 16 divisors (see below), whose sum is σ = 115928280. Its totient is φ = 30465088.

The previous prime is 61379261. The next prime is 61379309. The reversal of 61379288 is 88297316.

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, 26906 + ... + 29097.

Almost surely, 2^61379288 is an apocalyptic number.

It is an amenable number.

61379288 is a deficient number, since it is larger than the sum of its proper divisors (54548992).

61379288 is a wasteful number, since it uses less digits than its factorization.

61379288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56146 (or 56142 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 61379288 is about 7834.4934743734. The cubic root of 61379288 is about 394.4639162568.

It can be divided in two parts, 6 and 1379288, that multiplied together give a palindrome (8275728).

The spelling of 61379288 in words is "sixty-one million, three hundred seventy-nine thousand, two hundred eighty-eight".