70703887 has 4 divisors (see below), whose sum is σ = 70758496. Its totient is φ = 70649280.

The previous prime is 70703869. The next prime is 70703903. The reversal of 70703887 is 78830707.

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 70703887 - 2¹⁵ = 70671119 is a prime.

It is a pancake number, because a pancake can be divided into 70703887 parts by 11891 straight cuts.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70703837) 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, 25314 + ... + 27967.

It is an arithmetic number, because the mean of its divisors is an integer number (17689624).

Almost surely, 2^70703887 is an apocalyptic number.

70703887 is a deficient number, since it is larger than the sum of its proper divisors (54609).

70703887 is a wasteful number, since it uses less digits than its factorization.

70703887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54608.

The product of its (nonzero) digits is 65856, while the sum is 40.

The square root of 70703887 is about 8408.5603405101. The cubic root of 70703887 is about 413.5053155419.

The spelling of 70703887 in words is "seventy million, seven hundred three thousand, eight hundred eighty-seven".