429745320 has 48 divisors (see below), whose sum is σ = 1396673460. Its totient is φ = 114598656.

The previous prime is 429745297. The next prime is 429745339. The reversal of 429745320 is 23547924.

429745320 is a `hidden beast` number, since 4 + 297 + 45 + 320 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 429235524 + 509796 = 20718^2 + 714^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 596509 + ... + 597228.

Almost surely, 2^429745320 is an apocalyptic number.

429745320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

429745320 is an abundant number, since it is smaller than the sum of its proper divisors (966928140).

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

429745320 is a wasteful number, since it uses less digits than its factorization.

429745320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193754 (or 1193747 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 429745320 is about 20730.2995636821. The cubic root of 429745320 is about 754.6351876989.

The spelling of 429745320 in words is "four hundred twenty-nine million, seven hundred forty-five thousand, three hundred twenty".