72490003862 has 4 divisors (see below), whose sum is σ = 108735005796. Its totient is φ = 36245001930.

The previous prime is 72490003769. The next prime is 72490003891. The reversal of 72490003862 is 26830009427.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18122500964 + ... + 18122500967.

It is an arithmetic number, because the mean of its divisors is an integer number (27183751449).

Almost surely, 2^72490003862 is an apocalyptic number.

72490003862 is a deficient number, since it is larger than the sum of its proper divisors (36245001934).

72490003862 is a wasteful number, since it uses less digits than its factorization.

72490003862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36245001933.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 72490003862 in words is "seventy-two billion, four hundred ninety million, three thousand, eight hundred sixty-two".