61499408 has 10 divisors (see below), whose sum is σ = 119155134. Its totient is φ = 30749696.

The previous prime is 61499393. The next prime is 61499441. The reversal of 61499408 is 80499416.

It can be written as a sum of positive squares in only one way, i.e., 47720464 + 13778944 = 6908^2 + 3712^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1921841 + ... + 1921872.

Almost surely, 2^61499408 is an apocalyptic number.

It is an amenable number.

61499408 is a deficient number, since it is larger than the sum of its proper divisors (57655726).

61499408 is a wasteful number, since it uses less digits than its factorization.

61499408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3843721 (or 3843715 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 61499408 is about 7842.1558260468. The cubic root of 61499408 is about 394.7210721098.

The spelling of 61499408 in words is "sixty-one million, four hundred ninety-nine thousand, four hundred eight".