7021252875 has 384 divisors, whose sum is σ = 16443648000. Its totient is φ = 2641766400.

The previous prime is 7021252871. The next prime is 7021252879. The reversal of 7021252875 is 5782521207.

It is an interprime number because it is at equal distance from previous prime (7021252871) and next prime (7021252879).

It is not a de Polignac number, because 7021252875 - 2² = 7021252871 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7021252871) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 369539616 + ... + 369539634.

It is an arithmetic number, because the mean of its divisors is an integer number (42822000).

Almost surely, 2^7021252875 is an apocalyptic number.

7021252875 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7021252875 is an abundant number, since it is smaller than the sum of its proper divisors (9422395125).

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

7021252875 is a wasteful number, since it uses less digits than its factorization.

7021252875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 7021252875 is about 83792.9166159050. The cubic root of 7021252875 is about 1914.8651928546.

The spelling of 7021252875 in words is "seven billion, twenty-one million, two hundred fifty-two thousand, eight hundred seventy-five".