7421353725 has 24 divisors (see below), whose sum is σ = 12316658112. Its totient is φ = 3942995200.

The previous prime is 7421353711. The next prime is 7421353729. The reversal of 7421353725 is 5273531247.

It is not a de Polignac number, because 7421353725 - 2²¹ = 7419256573 is a prime.

It is a super-2 number, since 2×7421353725² (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 (7421353729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168396 + ... + 207845.

It is an arithmetic number, because the mean of its divisors is an integer number (513194088).

Almost surely, 2^7421353725 is an apocalyptic number.

7421353725 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7421353725 is a deficient number, since it is larger than the sum of its proper divisors (4895304387).

7421353725 is a wasteful number, since it uses less digits than its factorization.

7421353725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376517 (or 376512 counting only the distinct ones).

The product of its digits is 176400, while the sum is 39.

The square root of 7421353725 is about 86147.2792663819. The cubic root of 7421353725 is about 1950.5677702383.

The spelling of 7421353725 in words is "seven billion, four hundred twenty-one million, three hundred fifty-three thousand, seven hundred twenty-five".