61207955 has 8 divisors (see below), whose sum is σ = 73978800. Its totient is φ = 48613536.

The previous prime is 61207933. The next prime is 61207961. The reversal of 61207955 is 55970216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61207955 - 2¹⁸ = 60945811 is a prime.

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, 43340 + ... + 44729.

It is an arithmetic number, because the mean of its divisors is an integer number (9247350).

Almost surely, 2^61207955 is an apocalyptic number.

61207955 is a deficient number, since it is larger than the sum of its proper divisors (12770845).

61207955 is a wasteful number, since it uses less digits than its factorization.

61207955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88213.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 61207955 is about 7823.5513035961. The cubic root of 61207955 is about 394.0965411430.

The spelling of 61207955 in words is "sixty-one million, two hundred seven thousand, nine hundred fifty-five".