212770076 has 6 divisors (see below), whose sum is σ = 372347640. Its totient is φ = 106385036.

The previous prime is 212770057. The next prime is 212770127. The reversal of 212770076 is 670077212.

It is a happy number.

It is a super-2 number, since 2×212770076² = 90542210482091552, which contains 22 as substring.

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, 26596256 + ... + 26596263.

It is an arithmetic number, because the mean of its divisors is an integer number (62057940).

Almost surely, 2^212770076 is an apocalyptic number.

It is an amenable number.

212770076 is a deficient number, since it is larger than the sum of its proper divisors (159577564).

212770076 is a wasteful number, since it uses less digits than its factorization.

212770076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53192523 (or 53192521 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 212770076 is about 14586.6403259969. The cubic root of 212770076 is about 596.9942976952.

The spelling of 212770076 in words is "two hundred twelve million, seven hundred seventy thousand, seventy-six".