72077248 has 28 divisors (see below), whose sum is σ = 144136872. Its totient is φ = 35759360.

The previous prime is 72077219. The next prime is 72077249. The reversal of 72077248 is 84277027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72077249) 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, 4086 + ... + 12682.

Almost surely, 2^72077248 is an apocalyptic number.

It is an amenable number.

72077248 is a deficient number, since it is larger than the sum of its proper divisors (72059624).

72077248 is a wasteful number, since it uses less digits than its factorization.

72077248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8740 (or 8730 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 72077248 is about 8489.8320360299. The cubic root of 72077248 is about 416.1654913554.

The spelling of 72077248 in words is "seventy-two million, seventy-seven thousand, two hundred forty-eight".