738446420 has 12 divisors (see below), whose sum is σ = 1550737524. Its totient is φ = 295378560.

The previous prime is 738446393. The next prime is 738446431. The reversal of 738446420 is 24644837.

It can be written as a sum of positive squares in 2 ways, for example, as 293573956 + 444872464 = 17134^2 + 21092^2 .

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, 18461141 + ... + 18461180.

It is an arithmetic number, because the mean of its divisors is an integer number (129228127).

Almost surely, 2^738446420 is an apocalyptic number.

It is an amenable number.

738446420 is an abundant number, since it is smaller than the sum of its proper divisors (812291104).

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

738446420 is a wasteful number, since it uses less digits than its factorization.

738446420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36922330 (or 36922328 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 38.

The square root of 738446420 is about 27174.3706458862. The cubic root of 738446420 is about 903.8707443698.

The spelling of 738446420 in words is "seven hundred thirty-eight million, four hundred forty-six thousand, four hundred twenty".