30400700 has 72 divisors (see below), whose sum is σ = 74526480. Its totient is φ = 10662400.

The previous prime is 30400651. The next prime is 30400723. The reversal of 30400700 is 700403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31424 + ... + 32376.

It is an arithmetic number, because the mean of its divisors is an integer number (1035090).

Almost surely, 2^30400700 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 30400700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37263240).

30400700 is an abundant number, since it is smaller than the sum of its proper divisors (44125780).

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

30400700 is a wasteful number, since it uses less digits than its factorization.

30400700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 30400700 is about 5513.6829796426. The cubic root of 30400700 is about 312.1005456134.

The spelling of 30400700 in words is "thirty million, four hundred thousand, seven hundred".