71900025 has 12 divisors (see below), whose sum is σ = 118874832. Its totient is φ = 38346640.

The previous prime is 71899973. The next prime is 71900051. The reversal of 71900025 is 52000917.

It is not a de Polignac number, because 71900025 - 2¹⁶ = 71834489 is a prime.

It is a super-2 number, since 2×71900025² = 10339227190001250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71899968 and 71900004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 479259 + ... + 479408.

It is an arithmetic number, because the mean of its divisors is an integer number (9906236).

Almost surely, 2^71900025 is an apocalyptic number.

71900025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

71900025 is a deficient number, since it is larger than the sum of its proper divisors (46974807).

71900025 is a wasteful number, since it uses less digits than its factorization.

71900025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958680 (or 958675 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 71900025 is about 8479.3882444431. The cubic root of 71900025 is about 415.8241232154.

The spelling of 71900025 in words is "seventy-one million, nine hundred thousand, twenty-five".