997425470 has 32 divisors (see below), whose sum is σ = 1807357536. Its totient is φ = 396316800.

The previous prime is 997425439. The next prime is 997425571. The reversal of 997425470 is 74524799.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1790432 + ... + 1790988.

It is an arithmetic number, because the mean of its divisors is an integer number (56479923).

Almost surely, 2^997425470 is an apocalyptic number.

997425470 is a deficient number, since it is larger than the sum of its proper divisors (809932066).

997425470 is a wasteful number, since it uses less digits than its factorization.

997425470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436.

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 997425470 is about 31582.0434741009. The cubic root of 997425470 is about 999.1410858110.

The spelling of 997425470 in words is "nine hundred ninety-seven million, four hundred twenty-five thousand, four hundred seventy".