72077448 has 16 divisors (see below), whose sum is σ = 180193680. Its totient is φ = 24025808.

The previous prime is 72077437. The next prime is 72077491. The reversal of 72077448 is 84477027.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501590 + ... + 1501637.

It is an arithmetic number, because the mean of its divisors is an integer number (11262105).

Almost surely, 2^72077448 is an apocalyptic number.

It is an amenable number.

72077448 is an abundant number, since it is smaller than the sum of its proper divisors (108116232).

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

72077448 is a wasteful number, since it uses less digits than its factorization.

72077448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3003236 (or 3003232 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 39.

The square root of 72077448 is about 8489.8438148178. The cubic root of 72077448 is about 416.1658762805.

The spelling of 72077448 in words is "seventy-two million, seventy-seven thousand, four hundred forty-eight".