726949402 has 4 divisors (see below), whose sum is σ = 1090424106. Its totient is φ = 363474700.

The previous prime is 726949387. The next prime is 726949417. The reversal of 726949402 is 204949627.

726949402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (726949387) and next prime (726949417).

It can be written as a sum of positive squares in only one way, i.e., 435598641 + 291350761 = 20871^2 + 17069^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181737349 + ... + 181737352.

Almost surely, 2^726949402 is an apocalyptic number.

726949402 is a deficient number, since it is larger than the sum of its proper divisors (363474704).

726949402 is a wasteful number, since it uses less digits than its factorization.

726949402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363474703.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 726949402 is about 26961.9992211260. Note that the first 3 decimals coincide. The cubic root of 726949402 is about 899.1553400356.

The spelling of 726949402 in words is "seven hundred twenty-six million, nine hundred forty-nine thousand, four hundred two".