72290535 has 16 divisors (see below), whose sum is σ = 121752960. Its totient is φ = 36525600.

The previous prime is 72290483. The next prime is 72290549. The reversal of 72290535 is 53509227.

It is not a de Polignac number, because 72290535 - 2⁸ = 72290279 is a prime.

It is a super-3 number, since 3×72290535³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 72290496 and 72290505.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 126541 + ... + 127110.

It is an arithmetic number, because the mean of its divisors is an integer number (7609560).

Almost surely, 2^72290535 is an apocalyptic number.

72290535 is a deficient number, since it is larger than the sum of its proper divisors (49462425).

72290535 is a wasteful number, since it uses less digits than its factorization.

72290535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253678.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 72290535 is about 8502.3840774220. The cubic root of 72290535 is about 416.5755850692.

The spelling of 72290535 in words is "seventy-two million, two hundred ninety thousand, five hundred thirty-five".