70643465 has 8 divisors (see below), whose sum is σ = 88458048. Its totient is φ = 54057520.

The previous prime is 70643437. The next prime is 70643519. The reversal of 70643465 is 56434607.

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

It is not a de Polignac number, because 70643465 - 2⁶ = 70643401 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307031 + ... + 307260.

It is an arithmetic number, because the mean of its divisors is an integer number (11057256).

Almost surely, 2^70643465 is an apocalyptic number.

It is an amenable number.

70643465 is a deficient number, since it is larger than the sum of its proper divisors (17814583).

70643465 is a wasteful number, since it uses less digits than its factorization.

70643465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614319.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 70643465 is about 8404.9666864301. The cubic root of 70643465 is about 413.3874910970.

The spelling of 70643465 in words is "seventy million, six hundred forty-three thousand, four hundred sixty-five".