7421250013078 has 8 divisors (see below), whose sum is σ = 12143863657800. Its totient is φ = 3373295460480.

The previous prime is 7421250013033. The next prime is 7421250013087. The reversal of 7421250013078 is 8703100521247.

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

It is a super-2 number, since 2×7421250013078² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7421250013078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168664773003 + ... + 168664773046.

It is an arithmetic number, because the mean of its divisors is an integer number (1517982957225).

Almost surely, 2^{7421250013078} is an apocalyptic number.

7421250013078 is a deficient number, since it is larger than the sum of its proper divisors (4722613644722).

7421250013078 is a wasteful number, since it uses less digits than its factorization.

7421250013078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337329546062.

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 7421250013078 in words is "seven trillion, four hundred twenty-one billion, two hundred fifty million, thirteen thousand, seventy-eight".