7420700 has 36 divisors (see below), whose sum is σ = 18405072. Its totient is φ = 2544000.

The previous prime is 7420691. The next prime is 7420703. The reversal of 7420700 is 70247.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420703) 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, 4601 + ... + 6000.

It is an arithmetic number, because the mean of its divisors is an integer number (511252).

Almost surely, 2^7420700 is an apocalyptic number.

7420700 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7420700 is an abundant number, since it is smaller than the sum of its proper divisors (10984372).

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

7420700 is a wasteful number, since it uses less digits than its factorization.

7420700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10622 (or 10615 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 7420700 is about 2724.0961803872. The cubic root of 7420700 is about 195.0510495317.

Adding to 7420700 its reverse (70247), we get a palindrome (7490947).

The spelling of 7420700 in words is "seven million, four hundred twenty thousand, seven hundred".