61604948 has 24 divisors (see below), whose sum is σ = 112886592. Its totient is φ = 29361024.

The previous prime is 61604941. The next prime is 61604953. The reversal of 61604948 is 84940616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61604941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30011 + ... + 31997.

It is an arithmetic number, because the mean of its divisors is an integer number (4703608).

Almost surely, 2^61604948 is an apocalyptic number.

It is an amenable number.

61604948 is a deficient number, since it is larger than the sum of its proper divisors (51281644).

61604948 is a wasteful number, since it uses less digits than its factorization.

61604948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351 (or 2349 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 61604948 is about 7848.8819585977. The cubic root of 61604948 is about 394.9467385324.

The spelling of 61604948 in words is "sixty-one million, six hundred four thousand, nine hundred forty-eight".