7492420398 has 8 divisors (see below), whose sum is σ = 14984840808. Its totient is φ = 2497473464.

The previous prime is 7492420393. The next prime is 7492420399. The reversal of 7492420398 is 8930242947.

7492420398 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

7492420398 is an admirable number.

It is a super-2 number, since 2×7492420398² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7492420391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624368361 + ... + 624368372.

It is an arithmetic number, because the mean of its divisors is an integer number (1873105101).

Almost surely, 2^7492420398 is an apocalyptic number.

7492420398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7492420398 is a wasteful number, since it uses less digits than its factorization.

7492420398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248736738.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 7492420398 is about 86558.7684639748. The cubic root of 7492420398 is about 1956.7741952457.

The spelling of 7492420398 in words is "seven billion, four hundred ninety-two million, four hundred twenty thousand, three hundred ninety-eight".