61917148 has 6 divisors (see below), whose sum is σ = 108355016. Its totient is φ = 30958572.

The previous prime is 61917139. The next prime is 61917151. The reversal of 61917148 is 84171916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7739640 + ... + 7739647.

Almost surely, 2^61917148 is an apocalyptic number.

It is an amenable number.

61917148 is a deficient number, since it is larger than the sum of its proper divisors (46437868).

61917148 is a wasteful number, since it uses less digits than its factorization.

61917148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15479291 (or 15479289 counting only the distinct ones).

The product of its digits is 12096, while the sum is 37.

The square root of 61917148 is about 7868.7450079412. The cubic root of 61917148 is about 395.6127817138.

The spelling of 61917148 in words is "sixty-one million, nine hundred seventeen thousand, one hundred forty-eight".