70624541 has 16 divisors (see below), whose sum is σ = 81231360. Its totient is φ = 60903360.

The previous prime is 70624537. The next prime is 70624549. The reversal of 70624541 is 14542607.

It is a cyclic number.

It is not a de Polignac number, because 70624541 - 2² = 70624537 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70624549) by changing a digit.

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, 8666 + ... + 14708.

It is an arithmetic number, because the mean of its divisors is an integer number (5076960).

Almost surely, 2^70624541 is an apocalyptic number.

It is an amenable number.

70624541 is a deficient number, since it is larger than the sum of its proper divisors (10606819).

70624541 is a wasteful number, since it uses less digits than its factorization.

70624541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6116.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 70624541 is about 8403.8408480885. The cubic root of 70624541 is about 413.3505749976.

The spelling of 70624541 in words is "seventy million, six hundred twenty-four thousand, five hundred forty-one".