72293942 has 16 divisors (see below), whose sum is σ = 124055712. Its totient is φ = 30952320.

The previous prime is 72293873. The next prime is 72293951. The reversal of 72293942 is 24939227.

It is a junction number, because it is equal to n+sod(n) for n = 72293896 and 72293905.

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, 17342 + ... + 21102.

It is an arithmetic number, because the mean of its divisors is an integer number (7753482).

Almost surely, 2^72293942 is an apocalyptic number.

72293942 is a deficient number, since it is larger than the sum of its proper divisors (51761770).

72293942 is a wasteful number, since it uses less digits than its factorization.

72293942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5143.

The product of its digits is 54432, while the sum is 38.

The square root of 72293942 is about 8502.5844306305. The cubic root of 72293942 is about 416.5821292672.

The spelling of 72293942 in words is "seventy-two million, two hundred ninety-three thousand, nine hundred forty-two".