7402387590 has 72 divisors (see below), whose sum is σ = 20840610960. Its totient is φ = 1822122432.

The previous prime is 7402387583. The next prime is 7402387591. The reversal of 7402387590 is 957832047.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7402387591) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 228130 + ... + 258549.

It is an arithmetic number, because the mean of its divisors is an integer number (289452930).

Almost surely, 2^7402387590 is an apocalyptic number.

7402387590 is an abundant number, since it is smaller than the sum of its proper divisors (13438223370).

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

7402387590 is a wasteful number, since it uses less digits than its factorization.

7402387590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486718 (or 486702 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 7402387590 is about 86037.1291362049. The cubic root of 7402387590 is about 1948.9047182474.

The spelling of 7402387590 in words is "seven billion, four hundred two million, three hundred eighty-seven thousand, five hundred ninety".