32400970 has 16 divisors (see below), whose sum is σ = 66653568. Its totient is φ = 11108880.

The previous prime is 32400961. The next prime is 32401003. The reversal of 32400970 is 7900423.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231366 + ... + 231505.

It is an arithmetic number, because the mean of its divisors is an integer number (4165848).

Almost surely, 2^32400970 is an apocalyptic number.

32400970 is an abundant number, since it is smaller than the sum of its proper divisors (34252598).

32400970 is a wasteful number, since it uses less digits than its factorization.

32400970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462885.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 32400970 is about 5692.1849934801. The cubic root of 32400970 is about 318.8007521391.

It can be divided in two parts, 3 and 2400970, that multiplied together give a triangular number (7202910 = T₃₇₉₅).

The spelling of 32400970 in words is "thirty-two million, four hundred thousand, nine hundred seventy".