72377752 has 8 divisors (see below), whose sum is σ = 135708300. Its totient is φ = 36188872.

The previous prime is 72377749. The next prime is 72377759. The reversal of 72377752 is 25777327.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72377759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4523602 + ... + 4523617.

Almost surely, 2^72377752 is an apocalyptic number.

It is an amenable number.

72377752 is a deficient number, since it is larger than the sum of its proper divisors (63330548).

72377752 is a wasteful number, since it uses less digits than its factorization.

72377752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9047225 (or 9047221 counting only the distinct ones).

The product of its digits is 144060, while the sum is 40.

The square root of 72377752 is about 8507.5115045470. The cubic root of 72377752 is about 416.7430476152.

The spelling of 72377752 in words is "seventy-two million, three hundred seventy-seven thousand, seven hundred fifty-two".