74231154 has 36 divisors (see below), whose sum is σ = 167041134. Its totient is φ = 24739344.

The previous prime is 74231153. The next prime is 74231159. The reversal of 74231154 is 45113247.

It can be written as a sum of positive squares in only one way, i.e., 72335025 + 1896129 = 8505^2 + 1377^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (74231153) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10294 + ... + 15950.

Almost surely, 2^74231154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74231154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83520567).

74231154 is an abundant number, since it is smaller than the sum of its proper divisors (92809980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74231154 is an frugal number, since it uses more digits than its factorization.

74231154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5683 (or 5662 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 74231154 is about 8615.7503445724. The cubic root of 74231154 is about 420.2703361628.

The spelling of 74231154 in words is "seventy-four million, two hundred thirty-one thousand, one hundred fifty-four".