72635070 has 32 divisors (see below), whose sum is σ = 179038368. Its totient is φ = 18845568.

The previous prime is 72635051. The next prime is 72635083. The reversal of 72635070 is 7053627.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 31609 + ... + 33828.

It is an arithmetic number, because the mean of its divisors is an integer number (5594949).

Almost surely, 2^72635070 is an apocalyptic number.

72635070 is an abundant number, since it is smaller than the sum of its proper divisors (106403298).

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

72635070 is a wasteful number, since it uses less digits than its factorization.

72635070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65484.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 72635070 is about 8522.6210757020. The cubic root of 72635070 is about 417.2363329755.

Adding to 72635070 its reverse (7053627), we get a palindrome (79688697).

The spelling of 72635070 in words is "seventy-two million, six hundred thirty-five thousand, seventy".