74652155 has 4 divisors (see below), whose sum is σ = 89582592. Its totient is φ = 59721720.

The previous prime is 74652107. The next prime is 74652157. The reversal of 74652155 is 55125647.

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

It is not a de Polignac number, because 74652155 - 2⁶ = 74652091 is a prime.

It is a super-2 number, since 2×74652155² = 11145888492288050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74652157) 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, 7465211 + ... + 7465220.

It is an arithmetic number, because the mean of its divisors is an integer number (22395648).

Almost surely, 2^74652155 is an apocalyptic number.

74652155 is a deficient number, since it is larger than the sum of its proper divisors (14930437).

74652155 is a wasteful number, since it uses less digits than its factorization.

74652155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14930436.

The product of its digits is 42000, while the sum is 35.

The square root of 74652155 is about 8640.1478575311. The cubic root of 74652155 is about 421.0633580450.

The spelling of 74652155 in words is "seventy-four million, six hundred fifty-two thousand, one hundred fifty-five".