70923742 has 4 divisors (see below), whose sum is σ = 106385616. Its totient is φ = 35461870.

The previous prime is 70923739. The next prime is 70923761. The reversal of 70923742 is 24732907.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 70923698 and 70923707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17730934 + ... + 17730937.

It is an arithmetic number, because the mean of its divisors is an integer number (26596404).

Almost surely, 2^70923742 is an apocalyptic number.

70923742 is a deficient number, since it is larger than the sum of its proper divisors (35461874).

70923742 is a wasteful number, since it uses less digits than its factorization.

70923742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35461873.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 70923742 is about 8421.6234776912. The cubic root of 70923742 is about 413.9334727830.

The spelling of 70923742 in words is "seventy million, nine hundred twenty-three thousand, seven hundred forty-two".