9975078 has 12 divisors (see below), whose sum is σ = 21612708. Its totient is φ = 3325020.

The previous prime is 9975067. The next prime is 9975079. The reversal of 9975078 is 8705799.

It is a super-2 number, since 2×9975078² = 199004362212168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9975079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277068 + ... + 277103.

It is an arithmetic number, because the mean of its divisors is an integer number (1801059).

Almost surely, 2^9975078 is an apocalyptic number.

9975078 is an abundant number, since it is smaller than the sum of its proper divisors (11637630).

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

9975078 is a wasteful number, since it uses less digits than its factorization.

9975078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554179 (or 554176 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 45.

The square root of 9975078 is about 3158.3346877746. The cubic root of 9975078 is about 215.2643440444.

The spelling of 9975078 in words is "nine million, nine hundred seventy-five thousand, seventy-eight".