761421142 has 4 divisors (see below), whose sum is σ = 1142131716. Its totient is φ = 380710570.

The previous prime is 761421131. The next prime is 761421149. The reversal of 761421142 is 241124167.

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

It is a self number, because there is not a number n which added to its sum of digits gives 761421142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761421149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190355284 + ... + 190355287.

It is an arithmetic number, because the mean of its divisors is an integer number (285532929).

Almost surely, 2^761421142 is an apocalyptic number.

761421142 is a deficient number, since it is larger than the sum of its proper divisors (380710574).

761421142 is a wasteful number, since it uses less digits than its factorization.

761421142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380710573.

The product of its digits is 2688, while the sum is 28.

The square root of 761421142 is about 27593.8605852824. The cubic root of 761421142 is about 913.1489915432.

It can be divided in two parts, 76142 and 1142, that added together give a square (77284 = 278²).

The spelling of 761421142 in words is "seven hundred sixty-one million, four hundred twenty-one thousand, one hundred forty-two".