7148920 has 32 divisors (see below), whose sum is σ = 16164720. Its totient is φ = 2845440.

The previous prime is 7148917. The next prime is 7148923. The reversal of 7148920 is 298417.

It is an interprime number because it is at equal distance from previous prime (7148917) and next prime (7148923).

It is a super-2 number, since 2×7148920² = 102214114332800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) 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 (7148923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12235 + ... + 12805.

Almost surely, 2^7148920 is an apocalyptic number.

It is an amenable number.

7148920 is an abundant number, since it is smaller than the sum of its proper divisors (9015800).

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

7148920 is a wasteful number, since it uses less digits than its factorization.

7148920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 891 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 7148920 is about 2673.7464352477. The cubic root of 7148920 is about 192.6401520539.

The spelling of 7148920 in words is "seven million, one hundred forty-eight thousand, nine hundred twenty".