70072329 has 8 divisors (see below), whose sum is σ = 97492032. Its totient is φ = 44683760.

The previous prime is 70072313. The next prime is 70072367. The reversal of 70072329 is 92327007.

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 70072329 - 2⁴ = 70072313 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70072296 and 70072305.

It is not an unprimeable number, because it can be changed into a prime (70072229) 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, 507702 + ... + 507839.

It is an arithmetic number, because the mean of its divisors is an integer number (12186504).

Almost surely, 2^70072329 is an apocalyptic number.

It is an amenable number.

70072329 is a deficient number, since it is larger than the sum of its proper divisors (27419703).

70072329 is a wasteful number, since it uses less digits than its factorization.

70072329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015567.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 70072329 is about 8370.9216338465. The cubic root of 70072329 is about 412.2704279973.

The spelling of 70072329 in words is "seventy million, seventy-two thousand, three hundred twenty-nine".