61364755 has 4 divisors (see below), whose sum is σ = 73637712. Its totient is φ = 49091800.

The previous prime is 61364753. The next prime is 61364767. The reversal of 61364755 is 55746316.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 61364755 - 2¹ = 61364753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61364753) 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, 6136471 + ... + 6136480.

It is an arithmetic number, because the mean of its divisors is an integer number (18409428).

Almost surely, 2^61364755 is an apocalyptic number.

61364755 is a deficient number, since it is larger than the sum of its proper divisors (12272957).

61364755 is a wasteful number, since it uses less digits than its factorization.

61364755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12272956.

The product of its digits is 75600, while the sum is 37.

The square root of 61364755 is about 7833.5659185329. The cubic root of 61364755 is about 394.4327809081.

It can be divided in two parts, 61 and 364755, that added together give a square (364816 = 604²).

The spelling of 61364755 in words is "sixty-one million, three hundred sixty-four thousand, seven hundred fifty-five".