70887367 has 4 divisors (see below), whose sum is σ = 71149216. Its totient is φ = 70625520.

The previous prime is 70887353. The next prime is 70887373. The reversal of 70887367 is 76378807.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 70887367 - 2⁷ = 70887239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70887317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130518 + ... + 131059.

It is an arithmetic number, because the mean of its divisors is an integer number (17787304).

Almost surely, 2^70887367 is an apocalyptic number.

70887367 is a deficient number, since it is larger than the sum of its proper divisors (261849).

70887367 is a wasteful number, since it uses less digits than its factorization.

70887367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261848.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 70887367 is about 8419.4635814878. The cubic root of 70887367 is about 413.8626953326.

The spelling of 70887367 in words is "seventy million, eight hundred eighty-seven thousand, three hundred sixty-seven".