61716226 has 32 divisors (see below), whose sum is σ = 112283136. Its totient is φ = 25056000.

The previous prime is 61716211. The next prime is 61716271. The reversal of 61716226 is 62261716.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5386 + ... + 12346.

It is an arithmetic number, because the mean of its divisors is an integer number (3508848).

Almost surely, 2^61716226 is an apocalyptic number.

61716226 is a deficient number, since it is larger than the sum of its proper divisors (50566910).

61716226 is a wasteful number, since it uses less digits than its factorization.

61716226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7018.

The product of its digits is 6048, while the sum is 31.

The square root of 61716226 is about 7855.9675406661. The cubic root of 61716226 is about 395.1843950263.

Subtracting 61716226 from its reverse (62261716), we obtain a triangular number (545490 = T₁₀₄₄).

The spelling of 61716226 in words is "sixty-one million, seven hundred sixteen thousand, two hundred twenty-six".