70075066 has 32 divisors (see below), whose sum is σ = 114306048. Its totient is φ = 32123520.

The previous prime is 70075051. The next prime is 70075081. The reversal of 70075066 is 66057007.

It is an interprime number because it is at equal distance from previous prime (70075051) and next prime (70075081).

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223726 + ... + 224038.

It is an arithmetic number, because the mean of its divisors is an integer number (3572064).

Almost surely, 2^70075066 is an apocalyptic number.

70075066 is a deficient number, since it is larger than the sum of its proper divisors (44230982).

70075066 is a wasteful number, since it uses less digits than its factorization.

70075066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 70075066 is about 8371.0851148462. The cubic root of 70075066 is about 412.2757956390.

The spelling of 70075066 in words is "seventy million, seventy-five thousand, sixty-six".