70741378 has 4 divisors (see below), whose sum is σ = 106112070. Its totient is φ = 35370688.

The previous prime is 70741361. The next prime is 70741381. The reversal of 70741378 is 87314707.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87314707 = 41 ⋅2129627.

It can be written as a sum of positive squares in only one way, i.e., 63250209 + 7491169 = 7953^2 + 2737^2 .

It is a super-2 number, since 2×70741378² = 10008685122677768, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 17685343 + ... + 17685346.

Almost surely, 2^70741378 is an apocalyptic number.

70741378 is a deficient number, since it is larger than the sum of its proper divisors (35370692).

70741378 is a wasteful number, since it uses less digits than its factorization.

70741378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35370691.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 70741378 is about 8410.7893803138. The cubic root of 70741378 is about 413.5783902064.

The spelling of 70741378 in words is "seventy million, seven hundred forty-one thousand, three hundred seventy-eight".