997673254 has 96 divisors (see below), whose sum is σ = 1801590336. Its totient is φ = 411586560.

The previous prime is 997673251. The next prime is 997673269. The reversal of 997673254 is 452376799.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (997673251) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 24333474 + ... + 24333514.

It is an arithmetic number, because the mean of its divisors is an integer number (18766566).

Almost surely, 2^997673254 is an apocalyptic number.

997673254 is a deficient number, since it is larger than the sum of its proper divisors (803917082).

997673254 is a wasteful number, since it uses less digits than its factorization.

997673254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 149 counting only the distinct ones).

The product of its digits is 2857680, while the sum is 52.

The square root of 997673254 is about 31585.9660925545. The cubic root of 997673254 is about 999.2238156938.

The spelling of 997673254 in words is "nine hundred ninety-seven million, six hundred seventy-three thousand, two hundred fifty-four".