61674517 has 4 divisors (see below), whose sum is σ = 61691616. Its totient is φ = 61657420.

The previous prime is 61674511. The next prime is 61674533. The reversal of 61674517 is 71547616.

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 not a de Polignac number, because 61674517 - 2¹¹ = 61672469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61674511) 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, 793 + ... + 11134.

It is an arithmetic number, because the mean of its divisors is an integer number (15422904).

Almost surely, 2^61674517 is an apocalyptic number.

It is an amenable number.

61674517 is a deficient number, since it is larger than the sum of its proper divisors (17099).

61674517 is a wasteful number, since it uses less digits than its factorization.

61674517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17098.

The product of its digits is 35280, while the sum is 37.

The square root of 61674517 is about 7853.3124858241. The cubic root of 61674517 is about 395.0953505858.

The spelling of 61674517 in words is "sixty-one million, six hundred seventy-four thousand, five hundred seventeen".