61149708 has 24 divisors (see below), whose sum is σ = 158536560. Its totient is φ = 20383200.

The previous prime is 61149667. The next prime is 61149721. The reversal of 61149708 is 80794116.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 282993 + ... + 283208.

It is an arithmetic number, because the mean of its divisors is an integer number (6605690).

Almost surely, 2^61149708 is an apocalyptic number.

It is an amenable number.

61149708 is an abundant number, since it is smaller than the sum of its proper divisors (97386852).

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

61149708 is a wasteful number, since it uses less digits than its factorization.

61149708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566214 (or 566206 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 61149708 is about 7819.8278753435. The cubic root of 61149708 is about 393.9714908039.

It can be divided in two parts, 61 and 149708, that added together give a square (149769 = 387²).

The spelling of 61149708 in words is "sixty-one million, one hundred forty-nine thousand, seven hundred eight".