61274417 has 4 divisors (see below), whose sum is σ = 62578176. Its totient is φ = 59970660.

The previous prime is 61274407. The next prime is 61274429. The reversal of 61274417 is 71447216.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61274417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61274407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 651809 + ... + 651902.

It is an arithmetic number, because the mean of its divisors is an integer number (15644544).

Almost surely, 2^61274417 is an apocalyptic number.

It is an amenable number.

61274417 is a deficient number, since it is larger than the sum of its proper divisors (1303759).

61274417 is a wasteful number, since it uses less digits than its factorization.

61274417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303758.

The product of its digits is 9408, while the sum is 32.

The square root of 61274417 is about 7827.7977107230. The cubic root of 61274417 is about 394.2391313764.

The spelling of 61274417 in words is "sixty-one million, two hundred seventy-four thousand, four hundred seventeen".