721452476 has 12 divisors (see below), whose sum is σ = 1265460672. Its totient is φ = 359892288.

The previous prime is 721452469. The next prime is 721452493. The reversal of 721452476 is 674254127.

721452476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206540 + ... + 210003.

It is an arithmetic number, because the mean of its divisors is an integer number (105455056).

Almost surely, 2^721452476 is an apocalyptic number.

It is an amenable number.

721452476 is a deficient number, since it is larger than the sum of its proper divisors (544008196).

721452476 is a wasteful number, since it uses less digits than its factorization.

721452476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416980 (or 416978 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 721452476 is about 26859.8673861209. The cubic root of 721452476 is about 896.8832419708.

It can be divided in two parts, 721 and 452476, that multiplied together give a triangular number (326235196 = T₂₅₅₄₃).

The spelling of 721452476 in words is "seven hundred twenty-one million, four hundred fifty-two thousand, four hundred seventy-six".