70478074 has 4 divisors (see below), whose sum is σ = 105717114. Its totient is φ = 35239036.

The previous prime is 70478071. The next prime is 70478099. The reversal of 70478074 is 47087407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47087407 = 313 ⋅150439.

It can be written as a sum of positive squares in only one way, i.e., 48902049 + 21576025 = 6993^2 + 4645^2 .

It is not an unprimeable number, because it can be changed into a prime (70478071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17619517 + ... + 17619520.

Almost surely, 2^70478074 is an apocalyptic number.

70478074 is a deficient number, since it is larger than the sum of its proper divisors (35239040).

70478074 is a wasteful number, since it uses less digits than its factorization.

70478074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35239039.

The product of its (nonzero) digits is 43904, while the sum is 37.

The square root of 70478074 is about 8395.1220360397. The cubic root of 70478074 is about 413.0646303926.

The spelling of 70478074 in words is "seventy million, four hundred seventy-eight thousand, seventy-four".