7352421740 has 12 divisors (see below), whose sum is σ = 15440085696. Its totient is φ = 2940968688.

The previous prime is 7352421677. The next prime is 7352421743. The reversal of 7352421740 is 471242537.

It is a self number, because there is not a number n which added to its sum of digits gives 7352421740.

It is not an unprimeable number, because it can be changed into a prime (7352421743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183810524 + ... + 183810563.

It is an arithmetic number, because the mean of its divisors is an integer number (1286673808).

Almost surely, 2^7352421740 is an apocalyptic number.

It is an amenable number.

7352421740 is an abundant number, since it is smaller than the sum of its proper divisors (8087663956).

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

7352421740 is a wasteful number, since it uses less digits than its factorization.

7352421740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367621096 (or 367621094 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 7352421740 is about 85746.2637086888. The cubic root of 7352421740 is about 1944.5098026055.

The spelling of 7352421740 in words is "seven billion, three hundred fifty-two million, four hundred twenty-one thousand, seven hundred forty".