72454074 has 96 divisors (see below), whose sum is σ = 186157440. Its totient is φ = 18395520.

The previous prime is 72454061. The next prime is 72454079. The reversal of 72454074 is 47045427.

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

It is not an unprimeable number, because it can be changed into a prime (72454079) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269212 + ... + 269480.

It is an arithmetic number, because the mean of its divisors is an integer number (1939140).

Almost surely, 2^72454074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72454074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93078720).

72454074 is an abundant number, since it is smaller than the sum of its proper divisors (113703366).

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

72454074 is a wasteful number, since it uses less digits than its factorization.

72454074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 33.

The square root of 72454074 is about 8511.9958881569. The cubic root of 72454074 is about 416.8894806859.

The spelling of 72454074 in words is "seventy-two million, four hundred fifty-four thousand, seventy-four".