61754477 has 4 divisors (see below), whose sum is σ = 61888320. Its totient is φ = 61620636.

The previous prime is 61754467. The next prime is 61754507. The reversal of 61754477 is 77445716.

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 61754477 - 2⁴ = 61754461 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 (61754417) 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, 66227 + ... + 67152.

It is an arithmetic number, because the mean of its divisors is an integer number (15472080).

Almost surely, 2^61754477 is an apocalyptic number.

It is an amenable number.

61754477 is a deficient number, since it is larger than the sum of its proper divisors (133843).

61754477 is a wasteful number, since it uses less digits than its factorization.

61754477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133842.

The product of its digits is 164640, while the sum is 41.

The square root of 61754477 is about 7858.4016822761. The cubic root of 61754477 is about 395.2660217307.

The spelling of 61754477 in words is "sixty-one million, seven hundred fifty-four thousand, four hundred seventy-seven".