72602006400 has 1152 divisors, whose sum is σ = 337398048000. Its totient is φ = 15076454400.

The previous prime is 72602006387. The next prime is 72602006419. The reversal of 72602006400 is 460020627.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 46568821 + ... + 46570379.

It is an arithmetic number, because the mean of its divisors is an integer number (292880250).

Almost surely, 2^72602006400 is an apocalyptic number.

72602006400 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72602006400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168699024000).

72602006400 is an abundant number, since it is smaller than the sum of its proper divisors (264796041600).

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

72602006400 is a wasteful number, since it uses less digits than its factorization.

72602006400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617 (or 1587 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The spelling of 72602006400 in words is "seventy-two billion, six hundred two million, six thousand, four hundred".