70630526 has 4 divisors (see below), whose sum is σ = 105945792. Its totient is φ = 35315262.

The previous prime is 70630513. The next prime is 70630531. The reversal of 70630526 is 62503607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62503607 = 1303 ⋅47969.

It is a super-3 number, since 3×70630526³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17657630 + ... + 17657633.

It is an arithmetic number, because the mean of its divisors is an integer number (26486448).

Almost surely, 2^70630526 is an apocalyptic number.

70630526 is a deficient number, since it is larger than the sum of its proper divisors (35315266).

70630526 is a wasteful number, since it uses less digits than its factorization.

70630526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35315265.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 70630526 is about 8404.1969277261. The cubic root of 70630526 is about 413.3622509829.

The spelling of 70630526 in words is "seventy million, six hundred thirty thousand, five hundred twenty-six".