74272902 has 32 divisors (see below), whose sum is σ = 163344384. Its totient is φ = 22327200.

The previous prime is 74272897. The next prime is 74272943. The reversal of 74272902 is 20927247.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3952 + ... + 12812.

It is an arithmetic number, because the mean of its divisors is an integer number (5104512).

Almost surely, 2^74272902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74272902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81672192).

74272902 is an abundant number, since it is smaller than the sum of its proper divisors (89071482).

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

74272902 is a wasteful number, since it uses less digits than its factorization.

74272902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9004.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 74272902 is about 8618.1727761748. The cubic root of 74272902 is about 420.3491088293.

The spelling of 74272902 in words is "seventy-four million, two hundred seventy-two thousand, nine hundred two".