72762941 has 4 divisors (see below), whose sum is σ = 77043132. Its totient is φ = 68482752.

The previous prime is 72762931. The next prime is 72762953. The reversal of 72762941 is 14926727.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47472100 + 25290841 = 6890^2 + 5029^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72762941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72762895 and 72762904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72762931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2140070 + ... + 2140103.

It is an arithmetic number, because the mean of its divisors is an integer number (19260783).

Almost surely, 2^72762941 is an apocalyptic number.

It is an amenable number.

72762941 is a deficient number, since it is larger than the sum of its proper divisors (4280191).

72762941 is a wasteful number, since it uses less digits than its factorization.

72762941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280190.

The product of its digits is 42336, while the sum is 38.

The square root of 72762941 is about 8530.1196357378. The cubic root of 72762941 is about 417.4810318034.

The spelling of 72762941 in words is "seventy-two million, seven hundred sixty-two thousand, nine hundred forty-one".