7490000 has 100 divisors (see below), whose sum is σ = 20918304. Its totient is φ = 2544000.

The previous prime is 7489987. The next prime is 7490023. The reversal of 7490000 is 947.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×7490000² = 112200200000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 69947 + ... + 70053.

Almost surely, 2^7490000 is an apocalyptic number.

7490000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7490000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10459152).

7490000 is an abundant number, since it is smaller than the sum of its proper divisors (13428304).

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

7490000 is a wasteful number, since it uses less digits than its factorization.

7490000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 7490000 is about 2736.7864366808. The cubic root of 7490000 is about 195.6563463057.

Adding to 7490000 its reverse (947), we get a palindrome (7490947).

The spelling of 7490000 in words is "seven million, four hundred ninety thousand".