429390072 has 40 divisors (see below), whose sum is σ = 1202691600. Its totient is φ = 143129808.

The previous prime is 429390019. The next prime is 429390103. The reversal of 429390072 is 270093924.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 330672 + ... + 331967.

It is an arithmetic number, because the mean of its divisors is an integer number (30067290).

Almost surely, 2^429390072 is an apocalyptic number.

It is an amenable number.

429390072 is an abundant number, since it is smaller than the sum of its proper divisors (773301528).

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

429390072 is a wasteful number, since it uses less digits than its factorization.

429390072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662657 (or 662644 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 429390072 is about 20721.7294645018. The cubic root of 429390072 is about 754.4271912162.

The spelling of 429390072 in words is "four hundred twenty-nine million, three hundred ninety thousand, seventy-two".