72050742 has 16 divisors (see below), whose sum is σ = 160112880. Its totient is φ = 24016896.

The previous prime is 72050711. The next prime is 72050753. The reversal of 72050742 is 24705027.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 667083 + ... + 667190.

It is an arithmetic number, because the mean of its divisors is an integer number (10007055).

Almost surely, 2^72050742 is an apocalyptic number.

72050742 is an abundant number, since it is smaller than the sum of its proper divisors (88062138).

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

72050742 is a wasteful number, since it uses less digits than its factorization.

72050742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334284 (or 1334278 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 72050742 is about 8488.2708486476. The cubic root of 72050742 is about 416.1144709328.

Adding to 72050742 its reverse (24705027), we get a palindrome (96755769).

The spelling of 72050742 in words is "seventy-two million, fifty thousand, seven hundred forty-two".