747526216 has 8 divisors (see below), whose sum is σ = 1401611670. Its totient is φ = 373763104.

The previous prime is 747526189. The next prime is 747526223. The reversal of 747526216 is 612625747.

It can be written as a sum of positive squares in only one way, i.e., 734952100 + 12574116 = 27110^2 + 3546^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×747526216³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46720381 + ... + 46720396.

Almost surely, 2^747526216 is an apocalyptic number.

It is an amenable number.

747526216 is a deficient number, since it is larger than the sum of its proper divisors (654085454).

747526216 is a wasteful number, since it uses less digits than its factorization.

747526216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93440783 (or 93440779 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 747526216 is about 27340.9256609940. The cubic root of 747526216 is about 907.5602708215.

The spelling of 747526216 in words is "seven hundred forty-seven million, five hundred twenty-six thousand, two hundred sixteen".