75072294 has 48 divisors (see below), whose sum is σ = 180123840. Its totient is φ = 22405680.

The previous prime is 75072269. The next prime is 75072307. The reversal of 75072294 is 49227057.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10437 + ... + 16095.

It is an arithmetic number, because the mean of its divisors is an integer number (3752580).

Almost surely, 2^75072294 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75072294, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90061920).

75072294 is an abundant number, since it is smaller than the sum of its proper divisors (105051546).

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

75072294 is a wasteful number, since it uses less digits than its factorization.

75072294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5745 (or 5742 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 75072294 is about 8664.4269285395. The cubic root of 75072294 is about 421.8517894062.

It can be divided in two parts, 7507 and 2294, that added together give a square (9801 = 99²).

The spelling of 75072294 in words is "seventy-five million, seventy-two thousand, two hundred ninety-four".