722379436 has 24 divisors (see below), whose sum is σ = 1343393856. Its totient is φ = 338707200.

The previous prime is 722379433. The next prime is 722379499. The reversal of 722379436 is 634973227.

It is a junction number, because it is equal to n+sod(n) for n = 722379392 and 722379401.

It is not an unprimeable number, because it can be changed into a prime (722379431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340 + ... + 38011.

It is an arithmetic number, because the mean of its divisors is an integer number (55974744).

Almost surely, 2^722379436 is an apocalyptic number.

It is an amenable number.

722379436 is a deficient number, since it is larger than the sum of its proper divisors (621014420).

722379436 is a wasteful number, since it uses less digits than its factorization.

722379436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38649 (or 38647 counting only the distinct ones).

The product of its digits is 381024, while the sum is 43.

The square root of 722379436 is about 26877.1173305472. The cubic root of 722379436 is about 897.2671984599.

The spelling of 722379436 in words is "seven hundred twenty-two million, three hundred seventy-nine thousand, four hundred thirty-six".