7249900 has 36 divisors (see below), whose sum is σ = 17981488. Its totient is φ = 2485440.

The previous prime is 7249897. The next prime is 7249901. The reversal of 7249900 is 99427.

It is a super-2 number, since 2×7249900² = 105122100020000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7249901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4479 + ... + 5878.

Almost surely, 2^7249900 is an apocalyptic number.

7249900 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7249900 is an abundant number, since it is smaller than the sum of its proper divisors (10731588).

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

7249900 is a wasteful number, since it uses less digits than its factorization.

7249900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10378 (or 10371 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 7249900 is about 2692.5638339694. The cubic root of 7249900 is about 193.5429421706.

The spelling of 7249900 in words is "seven million, two hundred forty-nine thousand, nine hundred".