61772475 has 24 divisors (see below), whose sum is σ = 108140400. Its totient is φ = 31006720.

The previous prime is 61772461. The next prime is 61772479. The reversal of 61772475 is 57427716.

It is not a de Polignac number, because 61772475 - 2¹⁴ = 61756091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61772479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22950 + ... + 25499.

It is an arithmetic number, because the mean of its divisors is an integer number (4505850).

Almost surely, 2^61772475 is an apocalyptic number.

61772475 is a deficient number, since it is larger than the sum of its proper divisors (46367925).

61772475 is a wasteful number, since it uses less digits than its factorization.

61772475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48479 (or 48474 counting only the distinct ones).

The product of its digits is 82320, while the sum is 39.

The square root of 61772475 is about 7859.5467426563. The cubic root of 61772475 is about 395.3044173646.

The spelling of 61772475 in words is "sixty-one million, seven hundred seventy-two thousand, four hundred seventy-five".