70488851 has 4 divisors (see below), whose sum is σ = 74635272. Its totient is φ = 66342432.

The previous prime is 70488797. The next prime is 70488853. The reversal of 70488851 is 15888407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15888407 = 241 ⋅65927.

It is not a de Polignac number, because 70488851 - 2⁶ = 70488787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70488799 and 70488808.

It is not an unprimeable number, because it can be changed into a prime (70488853) 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, 2073185 + ... + 2073218.

It is an arithmetic number, because the mean of its divisors is an integer number (18658818).

Almost surely, 2^70488851 is an apocalyptic number.

70488851 is a deficient number, since it is larger than the sum of its proper divisors (4146421).

70488851 is a wasteful number, since it uses less digits than its factorization.

70488851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4146420.

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 70488851 is about 8395.7638723347. The cubic root of 70488851 is about 413.0856836100.

The spelling of 70488851 in words is "seventy million, four hundred eighty-eight thousand, eight hundred fifty-one".