7402536 has 64 divisors (see below), whose sum is σ = 21067200. Its totient is φ = 2407104.

The previous prime is 7402523. The next prime is 7402541. The reversal of 7402536 is 6352047.

It is a happy number.

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

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, 8890 + ... + 9686.

It is an arithmetic number, because the mean of its divisors is an integer number (329175).

Almost surely, 2^7402536 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 7402536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10533600).

7402536 is an abundant number, since it is smaller than the sum of its proper divisors (13664664).

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

7402536 is a wasteful number, since it uses less digits than its factorization.

7402536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 7402536 is about 2720.7601878887. The cubic root of 7402536 is about 194.8917742649.

The spelling of 7402536 in words is "seven million, four hundred two thousand, five hundred thirty-six".