70451805 has 16 divisors (see below), whose sum is σ = 114151680. Its totient is φ = 37098048.

The previous prime is 70451803. The next prime is 70451807. The reversal of 70451805 is 50815407.

It is an interprime number because it is at equal distance from previous prime (70451803) and next prime (70451807).

It is not a de Polignac number, because 70451805 - 2¹ = 70451803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70451803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28542 + ... + 30911.

It is an arithmetic number, because the mean of its divisors is an integer number (7134480).

Almost surely, 2^70451805 is an apocalyptic number.

It is an amenable number.

70451805 is a deficient number, since it is larger than the sum of its proper divisors (43699875).

70451805 is a wasteful number, since it uses less digits than its factorization.

70451805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59540.

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 70451805 is about 8393.5573507304. The cubic root of 70451805 is about 413.0133040601.

The spelling of 70451805 in words is "seventy million, four hundred fifty-one thousand, eight hundred five".