70261623 has 12 divisors (see below), whose sum is σ = 103404600. Its totient is φ = 45956976.

The previous prime is 70261621. The next prime is 70261649. The reversal of 70261623 is 32616207.

It is a happy number.

It is not a de Polignac number, because 70261623 - 2¹ = 70261621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70261621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73173 + ... + 74126.

It is an arithmetic number, because the mean of its divisors is an integer number (8617050).

Almost surely, 2^70261623 is an apocalyptic number.

70261623 is a deficient number, since it is larger than the sum of its proper divisors (33142977).

70261623 is a wasteful number, since it uses less digits than its factorization.

70261623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147358 (or 147355 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 70261623 is about 8382.2206484917. The cubic root of 70261623 is about 412.6413311858.

It can be divided in two parts, 7026 and 1623, that added together give a square (8649 = 93²).

The spelling of 70261623 in words is "seventy million, two hundred sixty-one thousand, six hundred twenty-three".