75070994 has 4 divisors (see below), whose sum is σ = 112606494. Its totient is φ = 37535496.

The previous prime is 75070939. The next prime is 75071023. The reversal of 75070994 is 49907057.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49907057 = 29 ⋅1720933.

It can be written as a sum of positive squares in only one way, i.e., 67158025 + 7912969 = 8195^2 + 2813^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18767747 + ... + 18767750.

Almost surely, 2^75070994 is an apocalyptic number.

75070994 is a deficient number, since it is larger than the sum of its proper divisors (37535500).

75070994 is a wasteful number, since it uses less digits than its factorization.

75070994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37535499.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 75070994 is about 8664.3519088273. The cubic root of 75070994 is about 421.8493543734.

The spelling of 75070994 in words is "seventy-five million, seventy thousand, nine hundred ninety-four".