73507969 has 8 divisors (see below), whose sum is σ = 74534112. Its totient is φ = 72488640.

The previous prime is 73507963. The next prime is 73508003. The reversal of 73507969 is 96970537.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73507969 - 2²¹ = 71410817 is a prime.

It is a super-2 number, since 2×73507969² = 10806843013009922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73507963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22302 + ... + 25384.

It is an arithmetic number, because the mean of its divisors is an integer number (9316764).

Almost surely, 2^73507969 is an apocalyptic number.

It is an amenable number.

73507969 is a deficient number, since it is larger than the sum of its proper divisors (1026143).

73507969 is a wasteful number, since it uses less digits than its factorization.

73507969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407.

The product of its (nonzero) digits is 357210, while the sum is 46.

The square root of 73507969 is about 8573.6788486623. The cubic root of 73507969 is about 418.9010746496.

The spelling of 73507969 in words is "seventy-three million, five hundred seven thousand, nine hundred sixty-nine".