71773948 has 6 divisors (see below), whose sum is σ = 125604416. Its totient is φ = 35886972.

The previous prime is 71773937. The next prime is 71773967. The reversal of 71773948 is 84937717.

It is a super-2 number, since 2×71773948² = 10302999223013408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 71773898 and 71773907.

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, 8971740 + ... + 8971747.

Almost surely, 2^71773948 is an apocalyptic number.

It is an amenable number.

71773948 is a deficient number, since it is larger than the sum of its proper divisors (53830468).

71773948 is a wasteful number, since it uses less digits than its factorization.

71773948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17943491 (or 17943489 counting only the distinct ones).

The product of its digits is 296352, while the sum is 46.

The square root of 71773948 is about 8471.9506608573. The cubic root of 71773948 is about 415.5809312237.

It can be divided in two parts, 7 and 1773948, that multiplied together give a triangular number (12417636 = T₄₉₈₃).

The spelling of 71773948 in words is "seventy-one million, seven hundred seventy-three thousand, nine hundred forty-eight".