71462642 has 4 divisors (see below), whose sum is σ = 107193966. Its totient is φ = 35731320.

The previous prime is 71462627. The next prime is 71462647. The reversal of 71462642 is 24626417.

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

It can be written as a sum of positive squares in only one way, i.e., 59428681 + 12033961 = 7709^2 + 3469^2 .

It is a junction number, because it is equal to n+sod(n) for n = 71462599 and 71462608.

It is not an unprimeable number, because it can be changed into a prime (71462647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17865659 + ... + 17865662.

Almost surely, 2^71462642 is an apocalyptic number.

71462642 is a deficient number, since it is larger than the sum of its proper divisors (35731324).

71462642 is a wasteful number, since it uses less digits than its factorization.

71462642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35731323.

The product of its digits is 16128, while the sum is 32.

The square root of 71462642 is about 8453.5579491715. The cubic root of 71462642 is about 414.9792257468.

The spelling of 71462642 in words is "seventy-one million, four hundred sixty-two thousand, six hundred forty-two".