70732078 has 4 divisors (see below), whose sum is σ = 106098120. Its totient is φ = 35366038.

The previous prime is 70732069. The next prime is 70732099. The reversal of 70732078 is 87023707.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87023707 = 5641 ⋅15427.

It is a congruent number.

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, 17683018 + ... + 17683021.

It is an arithmetic number, because the mean of its divisors is an integer number (26524530).

Almost surely, 2^70732078 is an apocalyptic number.

70732078 is a deficient number, since it is larger than the sum of its proper divisors (35366042).

70732078 is a wasteful number, since it uses less digits than its factorization.

70732078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35366041.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 70732078 is about 8410.2365008363. The cubic root of 70732078 is about 413.5602657475.

The spelling of 70732078 in words is "seventy million, seven hundred thirty-two thousand, seventy-eight".