70723738 has 8 divisors (see below), whose sum is σ = 111669120. Its totient is φ = 33500700.

The previous prime is 70723727. The next prime is 70723747. The reversal of 70723738 is 83732707.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 70723697 and 70723706.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 930538 + ... + 930613.

It is an arithmetic number, because the mean of its divisors is an integer number (13958640).

Almost surely, 2^70723738 is an apocalyptic number.

70723738 is a deficient number, since it is larger than the sum of its proper divisors (40945382).

70723738 is a wasteful number, since it uses less digits than its factorization.

70723738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861172.

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 70723738 is about 8409.7406618754. The cubic root of 70723738 is about 413.5440108493.

The spelling of 70723738 in words is "seventy million, seven hundred twenty-three thousand, seven hundred thirty-eight".