30400704 has 112 divisors (see below), whose sum is σ = 90972640. Its totient is φ = 9953280.

The previous prime is 30400651. The next prime is 30400723. The reversal of 30400704 is 40700403.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 12.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126024 + ... + 126264.

Almost surely, 2^30400704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30400704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45486320).

30400704 is an abundant number, since it is smaller than the sum of its proper divisors (60571936).

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

30400704 is a wasteful number, since it uses less digits than its factorization.

30400704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 30400704 is about 5513.6833423765. The cubic root of 30400704 is about 312.1005593017.

The spelling of 30400704 in words is "thirty million, four hundred thousand, seven hundred four".