72061368 has 64 divisors (see below), whose sum is σ = 191808000. Its totient is φ = 22482432.

The previous prime is 72061337. The next prime is 72061393. The reversal of 72061368 is 86316027.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97143 + ... + 97881.

It is an arithmetic number, because the mean of its divisors is an integer number (2997000).

Almost surely, 2^72061368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72061368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95904000).

72061368 is an abundant number, since it is smaller than the sum of its proper divisors (119746632).

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

72061368 is a wasteful number, since it uses less digits than its factorization.

72061368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 72061368 is about 8488.8967481057. The cubic root of 72061368 is about 416.1349260310.

The spelling of 72061368 in words is "seventy-two million, sixty-one thousand, three hundred sixty-eight".