72242025 has 12 divisors (see below), whose sum is σ = 119440272. Its totient is φ = 38529040.

The previous prime is 72241991. The next prime is 72242033. The reversal of 72242025 is 52024227.

It is not a de Polignac number, because 72242025 - 2¹⁷ = 72110953 is a prime.

It is a super-2 number, since 2×72242025² = 10437820352201250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72241986 and 72242004.

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, 481539 + ... + 481688.

It is an arithmetic number, because the mean of its divisors is an integer number (9953356).

Almost surely, 2^72242025 is an apocalyptic number.

72242025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

72242025 is a deficient number, since it is larger than the sum of its proper divisors (47198247).

72242025 is a wasteful number, since it uses less digits than its factorization.

72242025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963240 (or 963235 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 72242025 is about 8499.5308694069. The cubic root of 72242025 is about 416.4823842858.

The spelling of 72242025 in words is "seventy-two million, two hundred forty-two thousand, twenty-five".